MESON Chess Problem Database
Problem Display
PID: 137198 (8/1Q2N2b/1K6/N2Pp3/3k4/2pr1R2/2Bp4/8 w - - 0 1)
Ellerman, Arnoldo
Problem (Zagreb), 1956
#2
7 + 6
SOLUTION
- SOUND
- Tries
- 1.Sb3+?
- 1...Ke4
- 2.d6#
- 1...Kc4!
- 1...Ke4
- 1.Sac6+?
- 1...Kc4
- 2.Qa6#
- 1...Ke4!
- 1...Kc4
- 1.Sf5+?
- 1...Ke4
- 2.d6#
- 1...Bxf5!
- 1...Ke4
- 1.Qa6?
- threat
- 2.Qc4#
- 1...Ke4
- 2.Qxd3#
- 1...e4
- 2.Sac6#
- 1...Rxf3!
- threat
- 1.Qc6?
- threat
- 2.Qa4#
- 2.Qc4#
- 1...Rxf3
- 2.Qc5#
- 1...e4
- 2.Qf6#
- 1...Ke4!
- threat
- 1.Qc7?
- threat
- 2.Qc4#
- 1...Rxf3
- 2.Qc5#
- 1...e4
- 2.Sb3#
- 1...Ke4!
- threat
- 1.Qd7?
- threat
- 2.Qa4#
- 1...Ke4
- 2.Qg4#
- 1...e4
- 2.Sec6#
- 1...Rxf3!
- threat
- 1.Sb3+?
- Keys
- 1.Qc8!
- threat
- 2.Qc4#
- 1...Ke4
- 2.Qg4#
- 1...Rxf3
- 2.Qc5#
- 1...e4
- 2.Qh8#
- threat
- 1.Qc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(C);CHECK
- Vars
- K(d);P-FLIGHT,P_SPINR(c)::QAB(F)+P(D)
- Refutation
- K(d);P-FLIGHT
- Try
- S(C);CHECK
- Vars
- K(d);P-FLIGHT::QAB(F)
- Refutation
- K(d);P-FLIGHT,P_SPINR(c)
- Try
- S(G);CHECK
- Vars
- K(d);P-FLIGHT,P_SPINR(c)::QAB(F)+P(D)
- Refutation
- B(f);XS(G)
- Try
- Q(F);
- Threat
- QAR1(F)
- Vars
- K(d);P-FLIGHT,P_SPINR(c)::QAB1(F),XR(c)
- P(e);SBLOCK::S(C)
- Refutation
- R(c);XR(B)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- R(c);XR(B)::QAB1(F)
- P(e);OGATEB,SBLOCK::QAB(F)
- Refutation
- K(d);P-FLIGHT,P_SPINR(c)
- Try
- Q(F);
- Threat
- QAR1(F)
- Vars
- R(c);XR(B)::QAB1(F)
- P(e);SBLOCK::S(C)
- Refutation
- K(d);P-FLIGHT,P_SPINR(c)
- Try
- Q(F);
- Threat
- QAR(F)
- Vars
- K(d);P-FLIGHT,P_SPINR(c)::QAR2(F)
- P(e);SBLOCK::S(G)
- Refutation
- R(c);XR(B)
- Try
- Actual
- Q(F);
- Threat
- QAR1(F)
- Vars
- K(d);P-FLIGHT,P_SPINR(c)::QAR2(F)
- R(c);XR(B)::QAB1(F)
- P(e);OGATEB,SBLOCK::QAB(F)
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